First defense. Dermatologist tested. Reduces up to 95% of inanimate allergens that can become airborne from fabrics (Regular use of Febreze Allergen Reducer may reduce up to 95% of inanimate allergens from pollen [from birch tree, timothy grass, and ragweed] and dust mite matter than can become airborne from fabrics). Sofas. Bedding. Carpets. Curtains. Safe to use around cats and dogs. Not for use around birds. www.febreze.com.